Answer / senthil

power factor lags in inductive load because it have
reactive to oppoes the active power.

how would you come to know if a transformer is double wound or auto? note that there is no tag. you are given only a multimeter.

5 Answers  

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what is neutral voltage

3 Answers   Power Grid,

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Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?

0 Answers  

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what is inrush curent.

5 Answers   BARC,

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In case of HV test on medium voltage cables, BS is asking for 4 U0 where as IEC is asking for 3.5 U0. Can any one advise me how this 3.5 times or 4 times U0 is derived?

0 Answers  

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what is the pulse and audio frequency transformer? what is different between induction regulators and tap changing transformer?

0 Answers  

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If one ct is reversely connected in Y system what will effect in kwh and kvarh meter?

1 Answers  

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How to calculate battery back up time for a 400 AH battery bank installed in telecom shelter for a load of 20 Amps and time taken to fully charge this battery bank?

3 Answers  

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hi frnds...pls send me aptransco previous papers .....pls..pls,,,(madhar.rocking@gmail.com)and suggest me some websites

0 Answers  

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two phases with neutral supply can be taken in 3C X 10 sq.mm cable .

0 Answers   SPCL,

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why we use carbon brush in exciter&genrator?

5 Answers   ABB, SMC,

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what is the difference between grounding and earthing......how can we differentiate each other.....

2 Answers   Wipro,

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